By Melinda Smith Washington 30 March 2007 Since the mid-20th century the World Health Organization reports there has been an increase in the rate of breast cancer among women in developed countries. For decades, doctors have urged their patients to d

发表于:2018-12-16 / 阅读(126) / 评论(0) 分类 2007年VOA标准英语(三月)

54 时差对大脑的影响 DATE=6-6-01 TITLE=SCIENCE REPORT- Jet Lag and the Brain BYLINE=Nancy Steinbach (Start at 59

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Searching the Internet can be a totally exhausting experience, as you bounce from one site to another to another, sometimes until you cant remember what you were looking for in the first place. But according to scientists at U.C.L.A., all that virtua

发表于:2019-01-08 / 阅读(60) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid

发表于:2019-01-08 / 阅读(59) / 评论(0) 分类 Scientific American(一)月

1. Cyber Sickness 晕屏症 Also called digital motion sickness, symptoms that range from headaches to woozy feelings can occur when you quickly scroll on your smart phone or watch action-packed video on your screen. 这种病也被称为数字晕车,

发表于:2019-02-03 / 阅读(548) / 评论(0) 分类 阅读空间

Why Don't Snorers Wake Themselves Up? Anyone who's ever slept in the same room as a loud snorer knows how infuriating it is to have to suffer through all that noise while the offending party remains blissfully oblivious and asleep. Loud snorers can w

发表于:2019-02-04 / 阅读(57) / 评论(0) 分类 阅读空间
学英语单词
a ring
accomplishable
Alpha-Palygorskite
antaircraft
antitubulins
barthelssons
be a glutton for sth
beer-bellieds
bisesi
Bordino, Fiume di
borgida
bromine value
cervicalis myelitis
chammelspacing
cibangula
classicals
Convention on Prevention of Marine Pollution from Land Sources
corpus delicti
cushaws
depositings
dialogists
displacency
drip molding
Dumitone
dumlao
endobatholite zone
erosion gap
f-factor
fat-over-lean
field lens iris
filamentoid
fixed pivot
flockless
fraud at common law
fronting insurer
full-backs
Giovannini's disease
hallucinogen
Halotri-alunogen
harmika
hibernaculum
high school integrating with local community
high-lift wing
HXGA
hypoestrogenic
inflation-protection
information-logic(al) machine
input distribution
integrity lifetime
John Jay
karpukhin
Kifisia
Lanjan
less than normal refraction
mane-kynd
marasmius plicatus wakker
metsat
Moerbeke
MTCU (magnetic tape control unit)
mycetogenous
nanbus
nigidionus parryi
no-pull
nonbias
nongrowing
not much of a
odontodactylid
on the right side of
oxytalan fiber
panchions
preto
princox
private extension
procurator
psychosynthesis
radio traffic
rainsford
relational coiling(darlington 1935)
retention cyst of cervix
saccharifying mould
sales load
salted dried duck
semiconductor valve
series repulsion motor
simple and honest
single poplin
spongy substance (or cancellous substance)
square scale
station and freight yard radio communication
subchordal
subprovinces
sugar cane harvester
super-stadium
symbolic differential equation
trading estates
ultrasonic mode changer
vassalries
warehouse loans
water sprite
wave-front shearing interferometer
Web cache
wireless installation inspection certificate